Revised Belief Propagation #26
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Introduce `BeliefPropagationProblem` wrapper to hold the cache and the error `diff` field. Also simplifies some kwargs wrangling.
…be set from another cache
Also includes some fixes to the way `TensorNetwork` types are constructed based on index structure.
for more information, see https://pre-commit.ci
…instead of trying to operate on existing graphs The reason for this is: - One only cares about the edges of the input graph - A simple graph cannot be used as it "forgets" its edge names resulting in recursion - As shown with `TensorNetwork`, removing edges may not always be defined.
…s from an array.
This was caused by the change to the `cache` being backed by a directed graph.
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This PR express belief propagation in terms of the new interface based on AlgorithmsInterface.jl and the included AlgorithmsInterfaceExtensions.jl library.
Note, the tolerance for the second belief propagation test has been increased from
1.0e-14to1.0e-12, however this test was not passing reliable before the changes in this PR anyway.